The following is a list of Trichroism gems and minerals listed in our database. Click the pictures to get full data, click the X to remove the gem from the list.
Tanzanite: Tanzanite is something of bluish to violet variety of zoisite, that wasnt discovered until 1967 believe it or not. It was first found in the Mererani Hills of northern Tanzania. Tanzanite has strong trichroism, appearing alternately blue, violet, or burgundy depending on the crystal orientation and lighting conditions. Most tanzanite is heat-treated to enhance the color, and natural tanzanite see (read full)
Titanite: Titanite is a very rare calcium titanium silicate that is an important ore of titanium. It is also called Sphene. Its crystals are very rare, brilliant, and sparkles like diamond. It appears as crystals that are prisms with pyramid tips, or stubby, wedge-shaped, flattened crystals, or tabular and platy. There are also titanite crystal twins that have grown side by side or interpenetrated, or in g (read full)
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Barite also called Baryte or heavy spar is a clear to yellowish to blue mineral that is very soft and not well suited for making of gem
Corals are the supporting framework of small polyps. Each coral polyp, a tiny marine animal that lives in enormous colonies, extracts 
Staurolite is a hydrous magnesium aluminum silicate that crystallizes in the monoclinic system.
It appears as coarse, dark gold-brown 
Sapphire is the blue variety of Corundum.
Sapphires can be a very dark blue, to the point of seeming dense and blackish from a distanc